New Old StockSuper Champion course aluminum alloy Derailleur PartVery Rare early aluminum version, the others were steelAwesome NOS Condition from the 1930's , a little tarnish and some scratchesOnly the part shown, I do have an NOS chain guide/changer...

New Old StockSuper Champion course aluminum alloy Rear DerailleurVery Rare early aluminum version, the others were steelAwesome NOS Condition from the 1930's , a little tarnish and some scratchesOnly the arm shown, I do have an NOS chain guide/changer in...